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TeachMeFinance.com - explain Mixed oxide (MOX) fuel Mixed oxide (MOX) fuel The term 'Mixed oxide (MOX) fuel' as it applies to the area of nuclear science can be defined as ' A type of nuclear reactor fuel (often called 'MOX') that contains plutonium oxide mixed with either natural or depleted uranium oxide, in ceramic pellet form. (This differs from conventional nuclear fuel, which is made of pure uranium oxide.) Using plutonium reduces the amount of highly enriched uranium needed to produce a controlled reaction in commercial light-water reactors. However, plutonium exists only in trace amounts in nature and, therefore, must be produced by neutron irradiation of uranium-238 or obtained from other manufactured sources. As directed by Congress, the NRC regulates the fabrication of MOX fuel by DOE, a program that is intended to dispose of plutonium from international nuclear disarmament agreements. For further detail, see the Fact Sheet on Mixed Oxide Fuel and Frequently Asked Questions About Mixed Oxide Fuel. '. Previous 5 Terms: mitriform mixed current Mixed face Mixed Layer mixed number Next 5 Terms: Mixed Precipitation mixed tide Mixed waste Mixing Depth Mixing Heights About the author Mark McCracken Author: Mark McCracken is a corporate trainer and author living in Higashi Osaka, Japan. He is the author of thousands of online articles as well as the Business English textbook, "25 Business Skills in English". Copyright © 2005-2011 by Mark McCracken, All Rights Reserved. TeachMeFinance.com is an informational website, and should not be used as a substitute for professional medical, legal or financial advice. Information presented at TeachMeFinance.com is provided on an "AS-IS" basis. Please read the disclaimer for details.